(CR29) [Maruarai (Arai Kazuki)] E-RO² III (Sakura Taisen 3, Comic Party, Hanaukyo Maid Tai)

(C58) [MARUARAI (Arai Kazuki)] Love Hinappoi Hitobito (Love Hina)

(CR26) [MARUARAI (Arai Kazuki)] Ariari (Love Hina)

Kosmos ga Saita Hi ni Chapter 2

[Arai Kei] Kosmos ga Saita Hi ni Chapter 3 (COMIC HOTMILK 2022-07) [English] [Digital]

Kosmos ga Saita Hi ni Chapter 3

(C59) [AKU NIKKA (Ibara Kinzou, Saita Manzou)] COMIC PARASITE (Comic Party)

Kosmos ga Saita Hi ni Chapter 1

(C57) [MARUARAI (Arai Kazuki)] Yaru Dora (Di Gi Charat, Love Hina)

(C58) [MARUARAI (Arai Kazuki)] Love Hinappoi Hitobito (Love Hina) [English] [EHCOVE]